summaryrefslogtreecommitdiffstats
path: root/target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch')
-rw-r--r--target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch74
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch b/target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch
new file mode 100644
index 0000000000..3d01a507fa
--- /dev/null
+++ b/target/linux/sunxi/patches-6.1/012-v6.9-thermal-drivers-sun8i-Extend-H6-calibration-to-support-4.patch
@@ -0,0 +1,74 @@
+From 6c04a419a4c5fb18edefc44dd676fb95c7f6c55d Mon Sep 17 00:00:00 2001
+From: Maksim Kiselev <bigunclemax@gmail.com>
+Date: Mon, 19 Feb 2024 15:36:36 +0000
+Subject: [PATCH] thermal/drivers/sun8i: Extend H6 calibration to support 4
+ sensors
+
+The H616 SoC resembles the H6 thermal sensor controller, with a few
+changes like four sensors.
+
+Extend sun50i_h6_ths_calibrate() function to support calibration of
+these sensors.
+
+Co-developed-by: Martin Botka <martin.botka@somainline.org>
+Signed-off-by: Martin Botka <martin.botka@somainline.org>
+Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
+Reviewed-by: Andre Przywara <andre.przywara@arm.com>
+Signed-off-by: Andre Przywara <andre.przywara@arm.com>
+Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
+Acked-by: Vasily Khoruzhick <anarsoul@gmail.com>
+Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
+Link: https://lore.kernel.org/r/20240219153639.179814-5-andre.przywara@arm.com
+---
+ drivers/thermal/sun8i_thermal.c | 28 ++++++++++++++++++++--------
+ 1 file changed, 20 insertions(+), 8 deletions(-)
+
+--- a/drivers/thermal/sun8i_thermal.c
++++ b/drivers/thermal/sun8i_thermal.c
+@@ -224,16 +224,21 @@ static int sun50i_h6_ths_calibrate(struc
+ struct device *dev = tmdev->dev;
+ int i, ft_temp;
+
+- if (!caldata[0] || callen < 2 + 2 * tmdev->chip->sensor_num)
++ if (!caldata[0])
+ return -EINVAL;
+
+ /*
+ * efuse layout:
+ *
+- * 0 11 16 32
+- * +-------+-------+-------+
+- * |temp| |sensor0|sensor1|
+- * +-------+-------+-------+
++ * 0 11 16 27 32 43 48 57
++ * +----------+-----------+-----------+-----------+
++ * | temp | |sensor0| |sensor1| |sensor2| |
++ * +----------+-----------+-----------+-----------+
++ * ^ ^ ^
++ * | | |
++ * | | sensor3[11:8]
++ * | sensor3[7:4]
++ * sensor3[3:0]
+ *
+ * The calibration data on the H6 is the ambient temperature and
+ * sensor values that are filled during the factory test stage.
+@@ -246,9 +251,16 @@ static int sun50i_h6_ths_calibrate(struc
+ ft_temp = (caldata[0] & FT_TEMP_MASK) * 100;
+
+ for (i = 0; i < tmdev->chip->sensor_num; i++) {
+- int sensor_reg = caldata[i + 1] & TEMP_CALIB_MASK;
+- int cdata, offset;
+- int sensor_temp = tmdev->chip->calc_temp(tmdev, i, sensor_reg);
++ int sensor_reg, sensor_temp, cdata, offset;
++
++ if (i == 3)
++ sensor_reg = (caldata[1] >> 12)
++ | ((caldata[2] >> 12) << 4)
++ | ((caldata[3] >> 12) << 8);
++ else
++ sensor_reg = caldata[i + 1] & TEMP_CALIB_MASK;
++
++ sensor_temp = tmdev->chip->calc_temp(tmdev, i, sensor_reg);
+
+ /*
+ * Calibration data is CALIBRATE_DEFAULT - (calculated